体积为8立方厘米的正立方体内切于一个球体,使得立方体每个顶点内接于球面
球体的直径长度?以厘米为单位.
设正立方体边长为a
由于a^3=8
所以a=2
求出正立方体的对角线即可,它就是球体的直径
下面就是运用两次勾股定理,
底面的对角线为(√2)a
正方体的对角线为(√3)a=2√3 cm
√为根号,上面的一横无法显示.
A cube with volume 8 cubic centimeters is inscribed in a sph
3个回答
相关问题
-
You have a lot of 1 cubic centimetre volume cubes. Build a c
-
初中数学题A cylinder(圆柱) is inscribed(内接) in a cube(立方体) with an
-
SAT数学题请翻译再作答谢谢.for any cube,if the volume is V cubic inches
-
AP微积分 体积The volume , in cubic feet,of an"inner tube" with in
-
A circle is inscribed in a triangle with sides of lengths of
-
SSAT数学a box was made in the form of a cube,if a second cubic
-
SAT数学题求翻译解答What fraction of a cubic meter is the volume of a
-
英语翻译A right circular cone is inscribed in a hemisphere so th
-
SAT2数学题一道,if a square prism is inscribed in a right circular
-
if a gold atom is considered to be a cube with sides 2.5*10^